/* roulang page: index */
:root {
      --bg-main: #070B19;
      --bg-card: rgba(13, 21, 39, 0.7);
      --border-line: rgba(255, 255, 255, 0.08);
      --cyan-glow: #00F2FE;
      --blue-glow: #0066FF;
    }
    body {
      background-color: #070B19;
      color: #F8FAFC;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      overflow-x: hidden;
    }
    .glass-card {
      background: rgba(13, 21, 39, 0.65);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card:hover {
      border-color: rgba(0, 242, 254, 0.35);
      box-shadow: 0 12px 35px -8px rgba(0, 102, 255, 0.28);
      transform: translateY(-3px);
    }
    .glow-btn {
      background: linear-gradient(135deg, #0066FF 0%, #00F2FE 100%);
      box-shadow: 0 0 24px rgba(0, 102, 255, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn:hover {
      box-shadow: 0 0 32px rgba(0, 242, 254, 0.65);
      transform: translateY(-2px);
    }
    .cyan-text-gradient {
      background: linear-gradient(135deg, #FFFFFF 20%, #00F2FE 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }