/* ==========================================================================
   首页 - 核心数据展示模块（替换原视频区域）
   ========================================================================== */

.stats-section {
  position: relative;
  padding: 70px 0 60px;
  background: #002f60;
  overflow: hidden;
}

.stats-section .pattern-layer {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.08;
}

.stats-section .sec-title {
  margin-bottom: 40px;
}

.stats-section .sec-title h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 10px;
}

.stats-section .sec-title .sub-title {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
  padding: 5px 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
}

/* 5列网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

/* 卡片基础 */
.stat-card {
  position: relative;
  text-align: center;
  padding: 30px 16px 24px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  backdrop-filter: blur(4px);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* 图标 */
.stat-card .stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  transition: all 0.35s ease;
}

.stat-card:hover .stat-icon {
  background: rgba(255, 255, 255, 0.22);
  transform: scale(1.1);
}

/* 大数字 */
.stat-card .stat-number {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  font-family: 'Urbanist', sans-serif;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-card .stat-number .highlight {
  color: #60a5fa;
}

/* 标签文字 */
.stat-card .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  margin: 0;
}

.stat-card .stat-label strong {
  color: #fff;
  font-weight: 600;
}

/* ==========================================================================
   响应式
   ========================================================================== */

/* 平板 - 3 + 2 布局 */
@media (max-width: 991px) {
  .stats-section {
    padding: 50px 0 45px;
  }

  .stats-section .sec-title h2 {
    font-size: 26px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .stat-card {
    padding: 24px 12px 20px;
  }

  .stat-card .stat-number {
    font-size: 28px;
  }
}

/* 移动端 - 单列 */
@media (max-width: 767px) {
  .stats-section {
    padding: 40px 0 35px;
  }

  .stats-section .sec-title h2 {
    font-size: 22px;
  }

  .stats-section .sec-title {
    margin-bottom: 28px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-card {
    display: flex;
    align-items: center;
    text-align: left;
    padding: 16px 20px;
    gap: 16px;
  }

  .stat-card .stat-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    margin: 0;
    font-size: 20px;
  }

  .stat-card .stat-number {
    font-size: 24px;
    margin-bottom: 2px;
  }
}