/* roulang page: index */
:root {
      --primary-gradient: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);
      --dark-bg: #0B0F19;
      --card-bg: #FFFFFF;
      --border-color: rgba(226, 232, 240, 0.8);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #1E293B;
      background-color: #F8FAFC;
    }
    .gradient-text {
      background: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .gradient-btn {
      background: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);
      transition: all 0.3s ease;
    }
    .gradient-btn:hover {
      box-shadow: 0 10px 25px -5px rgba(6, 182, 212, 0.4);
      transform: translateY(-1px);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }