/* roulang page: index */
:root {
      --primary-gradient: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%);
      --accent-glow: 0 10px 30px -5px rgba(67, 56, 202, 0.25);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    .custom-gradient-bg {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    }
    .card-shadow {
      box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-shadow:hover {
      box-shadow: 0 20px 40px -10px rgba(67, 56, 202, 0.12);
      transform: translateY(-4px);
    }
    details summary::-webkit-details-marker {
      display:none;
    }