/* roulang page: index */
:root {
      --primary: #10B981;
      --accent: #FF5C00;
      --bg-slate: #F8F9FA;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-slate);
      color: var(--text-main);
      font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
      overflow-x: hidden;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background-color: #CBD5E1;
      border-radius: 9999px;
    }
    .glass-nav {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
    }