/* roulang page: index */
:root {
      --primary: #059669;
      --primary-light: #10b981;
      --accent: #f97316;
      --bg-base: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border: #e2e8f0;
      --radius: 1.25rem;
      --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-gradient-bg {
      background: linear-gradient(135deg, #059669 0%, #0d9488 50%, #0f172a 100%);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.25) 0%, rgba(15, 23, 42, 0) 70%);
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }
    .glass-dark {
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(51, 65, 85, 0.6);
    }