/* roulang page: index */
:root {
      --primary: #1E40AF;
      --accent: #0EA5E9;
      --bg-light: #F8FAFC;
      --card-border: #E2E8F0;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .card-shadow {
      box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.03);
      transition: all 0.25s ease-in-out;
    }
    .card-shadow:hover {
      box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      transform: translateY(-3px);
    }
    .hero-bg {
      background-image: linear-gradient(to bottom, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.97)), url('/assets/images/47f85b83ed1d55b0.png');
      background-size: cover;
      background-position: center;
    }