/* roulang page: index */
:root {
      --primary: #0284c7;
      --primary-dark: #0f172a;
      --accent: #06b6d4;
      --text-main: #334155;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
      line-height: 1.75;
    }
    .custom-gradient-hero {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(2, 6, 23, 0.97) 100%), url('/assets/images/b66b1c8612c635ec.webp') center/cover no-repeat;
    }
    .dark-matrix-bg {
      background: linear-gradient(180deg, #090e17 0%, #030712 100%);
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }