/* roulang page: index */
:root {
      --primary: #D9381E;
      --primary-hover: #B91C1C;
      --secondary: #1E293B;
      --accent: #F59E0B;
      --bg-light: #F8FAFC;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      color: #334155;
      background-color: var(--bg-light);
    }
    .hero-skew-shape {
      clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    }
    .glass-nav {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow:hover {
      box-shadow: 0 20px 25px -5px rgba(217, 56, 30, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      transform: translateY(-4px);
    }
    .badge-glow {
      box-shadow: 0 0 15px rgba(217, 56, 30, 0.35);
    }