/* 首页：Hero / 核心数据指标 / 产品与服务 */

/* Hero — 内容区，背景由整页固定层提供 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  color: var(--text-main);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
  padding-bottom: 90px;
}

.hero-content {
  max-width: 640px;
  transform: translateY(-15px);
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #1d56c3 50%, #28d1d7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 22px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-visual-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual {
  width: 100%;
  max-width: 620px;
  filter: drop-shadow(0 30px 60px rgba(30, 58, 138, 0.14));
}

/* 核心数据指标条 */
.stats-bar {
  padding: 40px 0;
  position: relative;
  z-index: 2;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  border: none;
  margin-top: -170px;
}

.stat-card {
  text-align: center;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
  border: 1px solid var(--border);
}

.stat-card-number {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 50%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card-label {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.stat-card-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.stat-group-cities {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  line-height: 1.2;
  flex-wrap: wrap;
}

.stat-group-cities .city {
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 50%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 产品与服务 */
.products-section {
  padding: 100px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 26px;
}

.product-icon.blue {
  background: var(--primary-50);
  color: var(--primary);
}

.product-icon.teal {
  background: #ECFDF5;
  color: #059669;
}

.product-card h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.product-card .product-summary {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  margin-bottom: 28px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.6;
}

.feature-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-50);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  margin-top: 1px;
}

.product-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0 30px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    padding-bottom: 20px;
  }

  .hero-content {
    transform: translateY(0);
  }

  .hero-title {
    font-size: 36px;
    margin-bottom: 8px;
  }

  .hero-subtitle {
    font-size: 18px;
    margin-bottom: 14px;
  }

  .hero-cta {
    justify-content: center;
    gap: 8px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 28px;
  }
}