/* roulang page: index */
:root {
      --primary: #00D084;
      --primary-dark: #059669;
      --bg-dark: #0F172A;
      --bg-card: #1E293B;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: #F8FAFC;
      color: #1E293B;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .custom-gradient-cta {
      background: linear-gradient(135deg, #00D084 0%, #059669 100%);
      box-shadow: 0 10px 25px -5px rgba(0, 208, 132, 0.35);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-gradient-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 30px -5px rgba(0, 208, 132, 0.45);
    }
    .custom-glass-card {
      background: rgba(30, 41, 59, 0.85);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .tactical-grid-bg {
      background-color: #0F172A;
      background-image: radial-gradient(rgba(0, 208, 132, 0.15) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }