/* roulang page: index */
:root {
      --primary: #4f46e5;
      --primary-dark: #3730a3;
      --secondary: #7c3aed;
      --accent: #ec4899;
      --accent-cyan: #06b6d4;
      --text-main: #0f172a;
      --text-sub: #334155;
      --text-muted: #64748b;
      --bg-base: #f8fafc;
      --bg-alt: #f1f5f9;
      --border-light: rgba(226, 232, 240, 0.85);
      --radius-xl: 1.25rem;
      --radius-2xl: 1.5rem;
      --radius-3xl: 2rem;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-base);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.375rem;
      padding: 0.35rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.025em;
      background: rgba(99, 102, 241, 0.1);
      color: #4f46e5;
      border: 1px solid rgba(99, 102, 241, 0.2);
    }

    .badge-glow-dot {
      width: 0.5rem;
      height: 0.5rem;
      border-radius: 9999px;
      background-color: #10b981;
      box-shadow: 0 0 8px #10b981;
    }

    .card-hover-effect {
      transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
    }

    .glass-nav {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }

    .hero-banner-mask {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 27, 75, 0.84) 60%, rgba(79, 70, 229, 0.75) 100%);
    }

    .gradient-text {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .gradient-text-light {
      background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 60%, #a5b4fc 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }