/* roulang page: index */
:root {
      --primary: #4F46E5;
      --accent: #06B6D4;
      --success: #10B981;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    }
    .glow-border {
      position: relative;
      transition: all 0.3s ease;
    }
    .glow-border:hover {
      box-shadow: 0 10px 30px -5px rgba(79, 70, 229, 0.15);
      transform: translateY(-2px);
    }
    details summary::-webkit-details-marker {
      display: none;
    }