/* roulang page: index */
:root {
      --primary: #0F172A;
      --primary-blue: #1E3A8A;
      --accent: #059669;
      --accent-light: #10B981;
      --bg-slate: #F8FAFC;
      --bg-dark: #0B0F19;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      line-height: 1.75;
      letter-spacing: 0.01em;
      -webkit-font-smoothing: antialiased;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 58, 138, 0.88) 100%), url('/assets/images/8f9afb6387f7dc40.webp') center/cover no-repeat;
    }
    .dark-section-bg {
      background: linear-gradient(180deg, #0B0F19 0%, #111827 100%);
    }
    .inner-card-shadow {
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 4px 20px -2px rgba(0, 0, 0, 0.05);
    }
    .btn-transition {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .btn-transition:hover {
      transform: translateY(-2px);
    }