/* roulang page: index */
:root {
      --primary-navy: #0F2A4A;
      --deep-dark: #0A192F;
      --energy-green: #10B981;
      --tech-blue: #0284C7;
      --bg-light: #F8FAFC;
      --bg-slate: #F1F5F9;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-sub: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-soft: 0 4px 20px rgba(15, 42, 74, 0.05);
      --shadow-hover: 0 14px 30px rgba(15, 42, 74, 0.12);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      -webkit-font-smoothing: antialiased;
    }
    .custom-shadow {
      box-shadow: var(--shadow-soft);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .hero-clip {
      clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    }
    @media (max-width: 1024px) {
      .hero-clip {
        clip-path: none;
      }
    }