/* roulang page: index */
:root {
      --bg-dark: #0B0E14;
      --bg-surface: #121824;
      --bg-card: #1A2234;
      --color-green: #00E599;
      --color-blue: #00A3FF;
      --text-main: #F1F5F9;
      --text-sub: #94A3B8;
      --border-line: #334155;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .text-glow-green {
      text-shadow: 0 0 16px rgba(0, 229, 153, 0.4);
    }
    .border-glow-green:hover {
      box-shadow: 0 0 20px rgba(0, 229, 153, 0.25);
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background-color: var(--border-line);
      border-radius: 9999px;
    }
    .code-editor {
      background: #0d121c;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    }