/* roulang page: index */
:root {
      --primary: #0F172A;
      --secondary: #334155;
      --accent-green: #00D26A;
      --accent-orange: #FF5A1F;
      --bg-light: #F8FAFC;
      --bg-dark: #090D16;
      --border-color: #E2E8F0;
    }
    body {
      color: #0F172A;
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .custom-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }
    .glass-nav {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      background-color: rgba(255, 255, 255, 0.92);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
    }
    .dark-glow {
      box-shadow: 0 0 30px rgba(0, 210, 106, 0.08);
    }