/* roulang page: index */
:root {
      --primary: #1E5BF0;
      --primary-deep: #0F3EB5;
      --accent: #00D2B4;
      --dark-surface: #0A1128;
      --light-bg: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #1E293B;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-card-hover:hover {
      transform: translateY(-4px);
    }
    .skew-clip {
      clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
    }
    @media (max-width: 768px) {
      .skew-clip {
        clip-path: none;
      }
    }