/* macOS 风格企业招投标信息查询平台 - 主样式文件 */

/* ===== CSS Variables ===== */
:root {
  /* 亮色模式颜色 - 使用Logo主题色 */
  --primary-blue: #008f93;
  --primary-blue-hover: #006d70;
  --primary-blue-light: #e0f7f8;
  
  --background-primary: #FFFFFF;
  --background-secondary: #F5F5F7;
  --background-tertiary: #FAFAFA;
  
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --text-tertiary: #C7C7CC;
  
  --border-light: rgba(0, 0, 0, 0.04);
  --border-medium: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  
  --success: #30D158;
  --warning: #FF9F0A;
  --error: #FF3B30;
  
  /* 字体 */
  --font-family-system: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 圆角与阴影 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  
  /* 动画 */
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 500ms;
  
  --transition-all: all var(--duration-normal) var(--ease-in-out);
  --transition-colors: color var(--duration-normal) var(--ease-in-out), background-color var(--duration-normal) var(--ease-in-out), border-color var(--duration-normal) var(--ease-in-out);
  --transition-transform: transform var(--duration-normal) var(--ease-in-out);
  --transition-opacity: opacity var(--duration-normal) var(--ease-in-out);
  
  /* 玻璃效果 */
  --glass-light: rgba(255, 255, 255, 0.8);
  --glass-dark: rgba(28, 28, 30, 0.8);
  --blur-sm: blur(4px);
  --blur-md: blur(8px);
  --blur-lg: blur(16px);
}

/* 暗色模式 */
[data-theme="dark"] {
  --primary-blue: #00a8ad;
  --primary-blue-hover: #00c4ca;
  --primary-blue-light: rgba(0, 143, 147, 0.2);
  
  --background-primary: #000000;
  --background-secondary: #1C1C1E;
  --background-tertiary: #2C2C2E;
  
  --text-primary: #FFFFFF;
  --text-secondary: #EBEBF5;
  --text-tertiary: #8E8E93;
  
  --border-light: rgba(255, 255, 255, 0.04);
  --border-medium: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);
  
  --success: #30D158;
  --warning: #FF9F0A;
  --error: #FF453A;
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4), 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4), 0 10px 10px rgba(0, 0, 0, 0.3);
  
  --glass-light: var(--glass-dark);
}

/* 自动暗色模式检测 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --primary-blue: #00a8ad;
    --primary-blue-hover: #00c4ca;
    --primary-blue-light: rgba(0, 143, 147, 0.2);
    
    --background-primary: #000000;
    --background-secondary: #1C1C1E;
    --background-tertiary: #2C2C2E;
    
    --text-primary: #FFFFFF;
    --text-secondary: #EBEBF5;
    --text-tertiary: #8E8E93;
    
    --border-light: rgba(255, 255, 255, 0.04);
    --border-medium: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.12);
    
    --success: #30D158;
    --warning: #FF9F0A;
    --error: #FF453A;
    
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4), 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4), 0 10px 10px rgba(0, 0, 0, 0.3);
    
    --glass-light: var(--glass-dark);
  }
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-system);
  color: var(--text-primary);
  background-color: var(--background-secondary);
  transition: var(--transition-colors);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.antialiased {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  background: var(--glass-light);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-colors);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: var(--transition-transform);
}

.logo-link:hover {
  transform: scale(1.02);
}

.logo-img {
  height: 32px;
  width: auto;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  display: none;
}

/* Navigation */
.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: 8px 16px;
  border-radius: var(--radius-lg);
  transition: var(--transition-colors);
  position: relative;
}

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

.nav-icon {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

.dropdown-arrow {
  width: 14px;
  height: 14px;
  margin-left: 4px;
  transition: var(--transition-transform);
}

.dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--glass-light);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  min-width: 220px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.95);
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  padding: 8px;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
  font-size: var(--font-size-sm);
}

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

.dropdown-icon {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  flex-shrink: 0;
}

/* Province Dropdown - Multi-column Layout */
.province-dropdown {
  display: flex;
  min-width: 720px;
  max-width: 800px;
  padding: var(--spacing-sm);
  left: -200px; /* 向左偏移以更好地居中显示 */
}

.dropdown-column {
  flex: 1;
  min-width: 180px;
  padding: 0 var(--spacing-xs);
}

.dropdown-column:not(:last-child) {
  border-right: 1px solid var(--border-light);
}

.dropdown-column li {
  margin-bottom: 2px;
  list-style: none;
}

.dropdown-column .dropdown-link {
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

/* Responsive adjustments for province dropdown */
@media (max-width: 1024px) {
  .province-dropdown {
    min-width: 600px;
    max-width: 650px;
    left: -150px;
  }
  
  .dropdown-column {
    min-width: 150px;
  }
}

@media (max-width: 768px) {
  .province-dropdown {
    flex-direction: column;
    min-width: 280px;
    max-width: 320px;
    left: 0;
  }
  
  .dropdown-column {
    min-width: auto;
    padding: var(--spacing-xs) 0;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }
  
  .dropdown-column:last-child {
    border-bottom: none;
  }
}

/* Header Search */
.header-search {
  flex: 1;
  max-width: 400px;
}

.modern-search {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-form {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 100%;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
}

.search-icon-left {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  pointer-events: none;
  z-index: 1;
}

.modern-input,
.search-input {
  width: 100%;
  background: var(--background-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 12px 16px 12px 48px;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-colors);
  font-family: inherit;
}

.modern-input:focus,
.search-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px var(--primary-blue-light);
}

.modern-input::placeholder,
.search-input::placeholder {
  color: var(--text-secondary);
}

/* 兼容旧的搜索框样式 */
.search-form:not(.modern-search) {
  display: flex;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--background-tertiary);
}

.search-form:not(.modern-search) .search-input {
  border: none;
  background: transparent;
  padding: 12px 16px;
  border-radius: 0;
}

.search-form:not(.modern-search) .search-input:focus {
  box-shadow: none;
}

/* Buttons */
.btn-primary,
.search-button {
  background: var(--primary-blue);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: 12px 24px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition-all);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}

.btn-primary:hover,
.search-button:hover {
  background: var(--primary-blue-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active,
.search-button:active {
  transform: translateY(0);
}

/* 搜索图标 */
.search-icon {
  font-size: 16px;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
}

.theme-toggle-btn {
  background: var(--background-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 8px;
  cursor: pointer;
  transition: var(--transition-all);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.theme-toggle-btn:hover {
  background: var(--background-primary);
  transform: scale(1.05);
}

.theme-icon {
  width: 18px;
  height: 18px;
  color: var(--text-primary);
  transition: var(--transition-opacity);
}

.moon-icon {
  opacity: 0;
  position: absolute;
}

[data-theme="dark"] .sun-icon {
  opacity: 0;
}

[data-theme="dark"] .moon-icon {
  opacity: 1;
  position: static;
}

/* Breadcrumb */
.breadcrumb {
  background: transparent;
  padding: 16px 0;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
}

.breadcrumb-item {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item:not(:last-child)::after {
  content: "›";
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
}

.breadcrumb-item a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: var(--transition-colors);
}

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

/* Main Content */
.main {
  min-height: calc(100vh - 200px);
  padding: 32px 0;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, #00b4ba 100%);
  color: white;
  text-align: center;
  padding: 80px 0;
  margin-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: 48px;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.hero-search {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-search .modern-search {
  background: rgba(255,255,255,0.1);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-radius: var(--radius-full);
  padding: 6px;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-search .modern-input {
  background: transparent;
  border: none;
  color: white;
  font-size: var(--font-size-lg);
  padding: 16px 20px 16px 52px;
}

.hero-search .modern-input::placeholder {
  color: rgba(255,255,255,0.7);
}

.hero-search .modern-input:focus {
  box-shadow: none;
}

.hero-search .search-icon-left {
  color: rgba(255,255,255,0.8);
  width: 20px;
  height: 20px;
  left: 20px;
}

.hero-search .btn-primary {
  background: white;
  color: var(--primary-blue);
  padding: 16px 32px;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.hero-search .btn-primary:hover {
  background: rgba(255,255,255,0.95);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-all);
}

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

.card-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-light);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 8px;
  color: var(--text-primary);
}

.card-content {
  padding: 24px;
}

/* Grid Layout */
.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-6 {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

/* 首页专用：2行6列紧凑布局 */
.grid-6-compact {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.grid-6-compact .industry-card {
  min-height: auto;
  padding: 16px 12px;
}

.grid-6-compact .industry-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
}

.grid-6-compact .industry-name {
  font-size: var(--font-size-sm);
  margin-bottom: 2px;
}

.grid-6-compact .industry-count {
  font-size: var(--font-size-xs);
}

/* Section */
.section {
  margin-bottom: 64px;
}

.section-header {
  text-align: center;
  margin-bottom: 32px;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* Industry Cards */
.industry-card {
  text-align: center;
  padding: 24px 20px;
  cursor: pointer;
  transition: var(--transition-all);
  border-radius: var(--radius-xl);
}

.industry-card:hover {
  transform: translateY(-2px) scale(1.02);
}

.industry-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  background: var(--primary-blue-light);
  border-radius: var(--radius-lg);
  transition: var(--transition-all);
}

.industry-icon svg {
  width: 32px;
  height: 32px;
  color: var(--primary-blue);
  transition: var(--transition-colors);
}

.industry-card:hover .industry-icon {
  background: var(--primary-blue);
  transform: scale(1.05);
}

.industry-card:hover .industry-icon svg {
  color: white;
}

.industry-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 4px;
  color: var(--text-primary);
  line-height: 1.3;
}

.industry-count {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

/* Company Cards */
.company-card {
  padding: 24px;
  cursor: pointer;
  transition: var(--transition-all);
}

.company-card.compact-card {
  padding: 0;
}

.company-card.compact-card .card-content {
  padding: 16px;
}

.company-card.compact-card:hover {
  transform: translateY(-2px);
}

/* 公司卡片中的a标签样式 - SEO优化 */
.company-card a {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: var(--transition-all);
}

.company-card a:hover {
  color: inherit;
  text-decoration: none;
}

.company-card a:hover .company-name {
  color: var(--primary-blue);
}

.company-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-blue);
  margin-bottom: 8px;
  text-decoration: none;
  transition: var(--transition-colors);
  line-height: 1.3;
}

.company-name:hover {
  color: var(--primary-blue-hover);
}

.company-info {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

.company-info span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.company-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-blue);
  margin-bottom: 2px;
}

.stat-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Project Cards */
.project-item {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition-colors);
}

.project-item:hover {
  background-color: var(--background-tertiary);
}

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

.project-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.4;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  align-items: center;
}

.project-meta > div {
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-amount {
  color: var(--success);
  font-weight: var(--font-weight-semibold);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.badge-success {
  background: var(--success);
  color: white;
}

.badge-secondary {
  background: var(--text-secondary);
  color: white;
}

.badge-outline {
  background: transparent;
  border: 1px solid currentColor;
}

/* Filters */
.filters {
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.filter-group {
  margin-bottom: 20px;
}

.filter-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 12px;
  color: var(--text-primary);
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tag {
  background: var(--background-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-all);
  font-family: inherit;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  line-height: 1.2;
}

.filter-tag:hover {
  background: var(--primary-blue-light);
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.filter-tag.active {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: white;
}

.filter-tag.sub-industry {
  font-size: var(--font-size-xs);
  padding: 6px 12px;
  background: var(--background-secondary);
  min-height: 32px;
}

.filter-tag.sub-industry.active {
  background: var(--primary-blue-hover);
  color: white;
}

.expand-toggle-btn {
  background: none;
  border: none;
  color: var(--primary-blue);
  cursor: pointer;
  font-size: var(--font-size-xs);
  padding: 4px 0;
  transition: var(--transition-colors);
}

.expand-toggle-btn:hover {
  color: var(--primary-blue-hover);
}

.industry-filter-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 8px;
}

.sub-industries {
  width: 100%;
  background: var(--background-tertiary);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--border-light);
  margin-top: 12px;
}

.sub-industry-title {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: var(--font-weight-medium);
}

#industryFilterContainer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.expand-toggle-btn.filter-tag {
  background: transparent !important;
  border: 1px dashed var(--border-medium) !important;
  color: var(--text-secondary) !important;
}

.expand-toggle-btn.filter-tag:hover {
  background: var(--background-tertiary) !important;
  border-style: solid !important;
  color: var(--primary-blue) !important;
}

.filter-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-checkbox input {
  margin: 0;
  accent-color: var(--primary-blue);
}

.filter-checkbox label {
  font-size: var(--font-size-sm);
  cursor: pointer;
  color: var(--text-primary);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 48px 0;
}

.pagination a,
.pagination span {
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.pagination a:hover {
  background: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
  transform: translateY(-1px);
}

.pagination .current {
  background: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.table th,
.table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.table th {
  background: var(--background-tertiary);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tr:hover {
  background: var(--background-tertiary);
}

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

/* Footer */
.footer {
  background: var(--background-primary);
  border-top: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 32px 0 20px;
  margin-top: 60px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}

.footer-section {
  min-width: 0;
}

.footer-section-wide {
  grid-column: span 1;
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-colors);
  font-size: var(--font-size-sm);
}

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

/* 新的网格布局样式 */
.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-grid-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-grid-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  transition: var(--transition-colors);
  white-space: nowrap;
}

.footer-grid-link:hover {
  color: var(--primary-blue);
  background-color: var(--primary-blue-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  text-align: center;
}

.copyright {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary-blue) !important;
}

.text-success {
  color: var(--success) !important;
}

.text-muted {
  color: var(--text-secondary) !important;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 12px !important; }
.mb-2 { margin-bottom: 24px !important; }
.mb-3 { margin-bottom: 32px !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 12px !important; }
.mt-2 { margin-top: 24px !important; }
.mt-3 { margin-top: 32px !important; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Glass Effect Utility */
.glass-effect {
  background: var(--glass-light);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.mobile-nav-toggle:hover {
  background: var(--background-tertiary);
}

.mobile-nav-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--text-primary);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-in-out);
}

.mobile-nav-overlay.active {
  opacity: 1;
}

.mobile-nav-menu {
  display: none;
  position: fixed;
  top: 0;
  left: -300px;
  width: 300px;
  height: 100vh;
  background: var(--background-primary);
  border-right: 1px solid var(--border-light);
  z-index: 1000;
  padding: 20px;
  overflow-y: auto;
  transition: left var(--duration-normal) var(--ease-in-out);
  box-shadow: var(--shadow-xl);
}

.mobile-nav-menu.active {
  left: 0;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition-colors);
}

.mobile-nav-close:hover {
  background: var(--background-tertiary);
}

.mobile-nav-close svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav-item {
  margin-bottom: 8px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
  font-weight: var(--font-weight-medium);
}

.mobile-nav-link:hover {
  background: var(--background-tertiary);
  color: var(--primary-blue);
}

.mobile-nav-icon {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  flex-shrink: 0;
}

.mobile-dropdown-toggle {
  background: none;
  border: none;
  padding: 0;
  margin-left: auto;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-transform);
}

.mobile-dropdown-toggle.active {
  transform: rotate(180deg);
}

.mobile-dropdown-toggle svg {
  width: 16px;
  height: 16px;
}

.mobile-dropdown-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-in-out);
  background: var(--background-secondary);
  border-radius: var(--radius-md);
  margin-top: 8px;
}

.mobile-dropdown-content.active {
  max-height: 300px;
  padding: 8px;
}

.mobile-dropdown-link {
  display: block;
  padding: 8px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition-colors);
  font-size: var(--font-size-sm);
}

.mobile-dropdown-link:hover {
  background: var(--primary-blue-light);
  color: var(--primary-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
  }
  
  /* Hide desktop navigation */
  .nav {
    display: none;
  }
  
  /* Show mobile navigation toggle */
  .mobile-nav-toggle {
    display: block;
    order: 3;
  }
  
  /* Show mobile navigation elements */
  .mobile-nav-overlay,
  .mobile-nav-menu {
    display: block;
  }
  
  .header-search {
    flex: 1;
    max-width: none;
    order: 2;
  }
  
  .header-search .modern-search {
    gap: 8px;
  }
  
  .header-search .search-input {
    font-size: var(--font-size-sm);
    padding: 10px 12px 10px 40px;
  }
  
  .header-search .search-icon-left {
    width: 16px;
    height: 16px;
    left: 12px;
  }
  
  .header-search .search-button {
    padding: 10px 16px;
    font-size: var(--font-size-sm);
    min-height: 40px;
  }
  
  .logo {
    order: 1;
  }
  
  .logo-text {
    display: inline;
  }
  
  .theme-toggle {
    display: none; /* Hide theme toggle on mobile to save space */
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero p {
    font-size: var(--font-size-lg);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-6-compact {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .company-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .project-meta {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer-grid-row {
    gap: 12px;
  }
  
  .footer-grid-link {
    font-size: var(--font-size-xs);
    padding: 3px 6px;
  }
  
  .dropdown-menu {
    position: fixed;
    top: 60px;
    left: 16px;
    right: 16px;
    width: auto;
    min-width: auto;
  }
}

/* Extra small screens (phones in portrait) */
@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }
  
  .header-content {
    padding: 8px 0;
    gap: 8px;
  }
  
  .header-search .search-input {
    font-size: 14px;
    padding: 8px 10px 8px 36px;
  }
  
  .header-search .search-icon-left {
    width: 14px;
    height: 14px;
    left: 10px;
  }
  
  .header-search .search-button {
    padding: 8px 12px;
    font-size: 14px;
    min-height: 36px;
  }
  
  .logo-img {
    height: 28px;
  }
  
  .hero {
    padding: 30px 0;
    margin-bottom: 40px;
  }
  
  .hero h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: 16px;
  }
  
  .hero p {
    font-size: var(--font-size-base);
    margin-bottom: 32px;
  }
  
  .hero-search .modern-input {
    font-size: var(--font-size-base);
    padding: 12px 16px 12px 44px;
  }
  
  .hero-search .btn-primary {
    padding: 12px 20px;
    font-size: var(--font-size-base);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
    margin-bottom: 8px;
  }
  
  .section-subtitle {
    font-size: var(--font-size-sm);
  }
  
  .section-header {
    margin-bottom: 24px;
  }
  
  .grid-4,
  .grid-6 {
    grid-template-columns: 1fr;
  }
  
  .grid-6-compact {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  
  .grid-6-compact .industry-card {
    padding: 12px 8px;
  }
  
  .grid-6-compact .industry-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 6px;
  }
  
  .grid-6-compact .industry-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .grid-6-compact .industry-name {
    font-size: 12px;
    line-height: 1.2;
  }
  
  .grid-6-compact .industry-count {
    font-size: 10px;
  }
  
  .table {
    font-size: var(--font-size-sm);
  }
  
  .table th,
  .table td {
    padding: 8px 12px;
    font-size: var(--font-size-xs);
  }
  
  .section {
    margin-bottom: 40px;
  }
  
  .card-content,
  .card-header {
    padding: 16px;
  }
  
  .company-card .card-content {
    padding: 12px;
  }
  
  .company-name {
    font-size: var(--font-size-base);
  }
  
  .company-info {
    font-size: 11px;
    gap: 8px;
    margin-bottom: 12px;
  }
  
  .company-stats {
    gap: 8px;
    padding-top: 8px;
  }
  
  .stat-value {
    font-size: var(--font-size-sm);
  }
  
  .stat-label {
    font-size: 9px;
  }
  
  .project-item {
    padding: 12px 16px;
  }
  
  .project-title {
    font-size: var(--font-size-sm);
    line-height: 1.3;
  }
  
  .project-meta {
    font-size: 11px;
    gap: 8px;
  }
  
  .badge {
    font-size: 10px;
    padding: 4px 8px;
  }
  
  .footer-content {
    gap: 20px;
  }
  
  .footer-grid-link {
    font-size: 11px;
    padding: 2px 4px;
  }
  
  .footer-grid-row {
    gap: 8px;
  }
  
  /* Mobile navigation adjustments */
  .mobile-nav-menu {
    width: 280px;
    padding: 16px;
  }
  
  .mobile-nav-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
  }
  
  .mobile-nav-link {
    padding: 10px 12px;
    font-size: var(--font-size-sm);
  }
  
  .mobile-nav-icon {
    width: 18px;
    height: 18px;
  }
  
  .mobile-dropdown-content.active {
    max-height: 250px;
    padding: 6px;
  }
  
  .mobile-dropdown-link {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* Selection */
::selection {
  background: var(--primary-blue-light);
  color: var(--primary-blue);
}

/* Focus Visible */
:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Smooth transitions for theme switching */
* {
  transition: background-color var(--duration-slow) var(--ease-in-out), 
              border-color var(--duration-slow) var(--ease-in-out),
              color var(--duration-slow) var(--ease-in-out);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}