/* roulang page: index */
:root {
      --bg-main: #0B0F17;
      --bg-surface: #111827;
      --color-primary: #10B981;
      --color-accent: #00F59B;
      --color-orange: #F97316;
      --border-line: rgba(255, 255, 255, 0.08);
      --font-color-title: #F9FAFB;
      --font-color-body: #9CA3AF;
    }
    html {
      scroll-behavior: smooth;
      background-color: var(--bg-main);
      color: var(--font-color-body);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.15);
      border-radius: 9999px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.18) 0%, rgba(11, 15, 23, 0) 70%);
    }
    .glass-panel {
      background: rgba(17, 24, 39, 0.72);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-line);
    }
    .tab-active {
      background-color: #10B981;
      color: #0B0F17;
      font-weight: 600;
    }
    .tabular-nums {
      font-variant-numeric: tabular-nums;
    }