/* ============================================
   首页 - 蓝色科技极简风格
   ============================================ */

/* Hero Section - 纯净蓝色渐变 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 30%, #1e40af 60%, #2563eb 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 6px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: 3.75rem;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 40px;
  line-height: 1.8;
  font-weight: 400;
}

.hero-desc br {
  display: none;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 72px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 400;
}

/* Intro Section - 极简双栏 */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.intro-content .label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.intro-content h2 {
  margin-bottom: 20px;
  line-height: 1.25;
}

.intro-content p {
  margin-bottom: 16px;
  font-size: 0.9375rem;
}

.intro-content .btn {
  margin-top: 12px;
}

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

.intro-feature {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-white);
  border-radius: 10px;
  transition: var(--transition);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.intro-feature:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.intro-feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-feature h4 {
  margin-bottom: 2px;
  font-size: 0.9375rem;
}

.intro-feature p {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
  line-height: 1.5;
}

/* Products Grid - 极简卡片 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.product-icon.blue {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.product-icon.cyan {
  background: #ecfeff;
  color: #0891b2;
}

.product-icon.indigo {
  background: #eef2ff;
  color: #4f46e5;
}

.product-icon.sky {
  background: #f0f9ff;
  color: #0284c7;
}

.product-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.product-card > p {
  font-size: 0.9375rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

.product-features li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* Products Two Column - 首页双栏产品卡片 */
.products-two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.product-main-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 36px;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-main-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.product-main-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.product-main-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-main-icon.blue {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.product-main-icon.indigo {
  background: #eef2ff;
  color: #4f46e5;
}

.product-main-icon.teal {
  background: #ecfeff;
  color: #0d9488;
}

.product-main-icon.orange {
  background: #fff7ed;
  color: #ea580c;
}

.product-main-card:nth-child(2) .product-feature-item svg {
  color: #4f46e5;
}

.product-main-card:nth-child(3) .product-feature-item svg {
  color: #0d9488;
}

.product-main-card:nth-child(4) .product-feature-item svg {
  color: #ea580c;
}

.product-main-header h3 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.product-main-desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

.product-main-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  flex: 1;
}

.product-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

.product-feature-item svg {
  min-width: 18px;
  margin-top: 3px;
  color: var(--color-primary);
}

.product-main-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.product-main-link:hover {
  gap: 10px;
}

.product-main-card:nth-child(2) .product-main-link {
  color: #4f46e5;
}

.product-main-card:nth-child(3) .product-main-link {
  color: #0d9488;
}

.product-main-card:nth-child(4) .product-main-link {
  color: #ea580c;
}

/* Product Innovation */
.product-innovation {
  text-align: center;
  padding: 32px;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-primary-light) 100%);
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
  position: relative;
  overflow: hidden;
}

.innovation-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.product-innovation p {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  max-width: 480px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .products-two-col {
    grid-template-columns: 1fr;
  }
  
  .product-main-card {
    padding: 24px;
  }
}

/* Business Flow - 极简步骤 */
.flow-container {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 28px;
  flex: 1;
  border-left: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.flow-step:first-child {
  border-left: none;
}

.flow-step:hover {
  background: var(--color-gray-50);
}

.flow-step-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.flow-step-content h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.flow-step-content p {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
  line-height: 1.6;
}

.flow-arrow {
  display: none;
}

/* Client Cards Grid - 首页客户卡片布局 */
.client-cards-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

/* Client Flat Grid - 首页客户扁平表格 */
.client-flat-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-white);
}

.client-flat-cell {
  padding: 14px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-gray-100);
  border-right: 1px solid var(--color-gray-100);
  display: flex;
  align-items: center;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.client-flat-cell:nth-child(7n) {
  border-right: none;
}

.client-flat-cell:nth-last-child(-n+7) {
  border-bottom: none;
}

.client-flat-cell:hover {
  background: var(--color-gray-50);
}

.cf-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  flex-shrink: 0;
}

.client-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.client-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.client-logo {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.client-card-info {
  text-align: center;
}

.client-card-info h4 {
  font-size: 0.875rem;
  margin-bottom: 4px;
  white-space: nowrap;
}

.client-tag {
  display: inline-block;
  font-size: 0.6875rem;
  color: var(--color-gray-400);
  background: var(--color-gray-100);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

/* Honors Grid - 极简荣誉 */
.honors-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.honor-card {
  flex: 0 0 calc((100% - 48px) / 4);
  text-align: center;
  padding: 32px 20px;
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.honor-card:hover {
  border-color: var(--color-primary);
}

.honor-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.honor-card h4 {
  font-size: 0.9375rem;
  margin-bottom: 4px;
}

.honor-card p {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
}

/* Team Brief Grid - 团队简介卡片 */
.team-brief-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.team-brief-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 36px 24px 28px;
  border: 1px solid var(--color-gray-200);
  transition: all 0.3s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.team-brief-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 0 0 3px 3px;
}

.team-brief-card:nth-child(1)::before { background: #2563eb; }
.team-brief-card:nth-child(2)::before { background: #7c3aed; }
.team-brief-card:nth-child(3)::before { background: #059669; }
.team-brief-card:nth-child(4)::before { background: #ea580c; }

.team-brief-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.team-brief-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.team-brief-card:nth-child(1) .team-brief-icon { background: #eff6ff; color: #2563eb; }
.team-brief-card:nth-child(2) .team-brief-icon { background: #f5f3ff; color: #7c3aed; }
.team-brief-card:nth-child(3) .team-brief-icon { background: #ecfdf5; color: #059669; }
.team-brief-card:nth-child(4) .team-brief-icon { background: #fff7ed; color: #ea580c; }

.team-brief-card h4 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.team-brief-card p {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-gray-500);
}

.team-brief-number {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-gray-300);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

/* CTA Section - 蓝色纯净 */
.cta-section {
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 30%, #1e40af 60%, #2563eb 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-content h2 {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: 8px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1200px) {
}

@media (max-width: 1024px) {
  .hero h1 {
    font-size: 3rem;
  }
  
  .team-brief-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .honors-grid {
    gap: 12px;
  }

  .honor-card {
    flex: 0 0 calc((100% - 12px) / 2);
  }
  
  .client-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .client-flat-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .client-flat-cell:nth-child(7n) {
    border-right: 1px solid var(--color-gray-100);
  }
  .client-flat-cell:nth-child(5n) {
    border-right: none;
  }
  .client-flat-cell:nth-last-child(-n+7) {
    border-bottom: 1px solid var(--color-gray-100);
  }
  .client-flat-cell:nth-last-child(-n+5) {
    border-bottom: none;
  }
  
  .flow-container {
    flex-wrap: wrap;
  }
  
  .flow-step {
    flex: none;
    width: calc(50% - 12px);
    border-left: none;
    border-top: 1px solid var(--color-gray-200);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 120px 0 64px;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero-desc {
    font-size: 0.9375rem;
  }
  
  .hero-stats {
    gap: 32px;
    flex-wrap: wrap;
  }
  
  .hero-stat-number {
    font-size: 1.75rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
    margin-bottom: 48px;
  }
  
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .flow-container {
    flex-direction: column;
    gap: 0;
  }
  
  .flow-step {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--color-gray-200);
  }
  
  .team-brief-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-content h2 {
    font-size: 1.5rem;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .client-flat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .client-flat-cell {
    padding: 12px 12px;
    font-size: 0.75rem;
  }
  .client-flat-cell:nth-child(5n),
  .client-flat-cell:nth-child(7n) {
    border-right: 1px solid var(--color-gray-100);
  }
  .client-flat-cell:nth-child(4n) {
    border-right: none;
  }
  .client-flat-cell:nth-last-child(-n+5),
  .client-flat-cell:nth-last-child(-n+7) {
    border-bottom: 1px solid var(--color-gray-100);
  }
  .client-flat-cell:nth-last-child(-n+4) {
    border-bottom: none;
  }
  .cf-dot {
    width: 6px;
    height: 6px;
    margin-right: 6px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.875rem;
  }
  
  .hero-stats {
    gap: 20px;
  }
  
  .hero-stat-number {
    font-size: 1.5rem;
  }
  
  .client-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .client-flat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .client-flat-cell:nth-child(4n),
  .client-flat-cell:nth-child(5n),
  .client-flat-cell:nth-child(7n) {
    border-right: 1px solid var(--color-gray-100);
  }
  .client-flat-cell:nth-child(2n) {
    border-right: none;
  }
  .client-flat-cell:nth-last-child(-n+4),
  .client-flat-cell:nth-last-child(-n+5),
  .client-flat-cell:nth-last-child(-n+7) {
    border-bottom: 1px solid var(--color-gray-100);
  }
  .client-flat-cell:nth-last-child(-n+2) {
    border-bottom: none;
  }
  
  .team-brief-grid {
    grid-template-columns: 1fr;
  }
  
  .honor-card {
    flex: 0 0 100%;
  }
}