/* roulang page: index */
:root {
      --primary: #FF5E1E;
      --primary-gradient: linear-gradient(135deg, #FF5E1E 0%, #FF8C42 100%);
      --accent-teal: #00D2B4;
      --accent-purple: #6C5CE7;
      --bg-dark: #0F172A;
      --bg-surface: #F8FAFC;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      color: #1E293B;
      background-color: #FFFFFF;
      overflow-x: hidden;
      line-height: 1.6;
    }
    .hero-slanted {
      clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    }
    @media (max-width: 768px) {
      .hero-slanted {
        clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
      }
    }
    .glass-nav {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .card-hover-fx {
      transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.28s ease;
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      }