/* roulang page: index */
:root {
      --primary: #00B578;
      --primary-dark: #059669;
      --bg-dark: #0A0F1D;
      --text-main: #0F172A;
      --text-muted: #334155;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .hero-gradient {
      background: radial-gradient(circle at 80% 20%, rgba(0, 181, 120, 0.15) 0%, rgba(255, 255, 255, 0) 65%),
                  linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
    }
    .brand-btn-gradient {
      background: linear-gradient(135deg, #059669 0%, #00B578 50%, #10B981 100%);
      box-shadow: 0 4px 14px rgba(0, 181, 120, 0.35);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .brand-btn-gradient:hover {
      box-shadow: 0 8px 24px rgba(0, 181, 120, 0.45);
      transform: translateY(-2px);
    }
    .card-hover-effect {
      transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(0, 181, 120, 0.12);
      border-color: rgba(0, 181, 120, 0.4);
    }
    .dark-card-hover:hover {
      transform: translateY(-4px);
      border-color: #00B578;
      box-shadow: 0 16px 36px -8px rgba(0, 181, 120, 0.2);
    }
    .pill-badge {
      background: rgba(0, 181, 120, 0.08);
      border: 1px solid rgba(0, 181, 120, 0.25);
      color: #059669;
    }