/* roulang page: index */
:root {
      --primary: #0F5B4D;
      --accent: #10B981;
      --darkbg: #0B1315;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      color: #475569;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 91, 77, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 20px 35px -5px rgba(15, 91, 77, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .tab-active {
      background-color: #0F5B4D;
      color: #ffffff;
      border-color: #0F5B4D;
    }