/* roulang page: index */
:root {
      --primary: #00B853;
      --primary-dark: #009E47;
      --secondary: #FF6B00;
      --bg-main: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(0,0,0,0.05);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 12px 30px -4px rgba(0,0,0,0.12);
    }
    .tab-active {
      background-color: #00B853;
      color: #FFFFFF;
    }