/* roulang page: index */
:root {
      --primary: #1d4ed8;
      --primary-hover: #1e40af;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #475569;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
    }
    .hero-bg {
      background-image: linear-gradient(to right, rgba(15, 23, 42, 0.92), rgba(30, 58, 138, 0.82)), url('/assets/images/2d12d6263ec2cde8.webp');
      background-size: cover;
      background-position: center;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 20px 25px -5px rgba(0, 0, 0, 0.02);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 20px 35px -5px rgba(29, 78, 216, 0.12), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
      transform: translateY(-4px);
    }