/* roulang page: index */
:root {
      --primary: #0E7490;
      --primary-hover: #155E75;
      --accent: #D97706;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-light: #F8FAFC;
      --bg-dark: #0B132B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .custom-container {
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }
    .badge-chip {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 9999px;
      letter-spacing: 0.025em;
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(14, 116, 144, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
    }
    .metric-grid-bg {
      background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
      background-size: 24px 24px;
    }