/* roulang page: index */
:root {
      --color-brand-pitch: #0B3B24;
      --color-brand-emerald: #059669;
      --color-accent-orange: #F97316;
      --color-accent-red: #EF4444;
      --color-bg-base: #F8FAFC;
      --color-text-main: #0F172A;
      --color-text-muted: #475569;
      --color-border-line: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      letter-spacing: 0.02em;
    }
    body {
      background-color: var(--color-bg-base);
      color: var(--color-text-main);
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(5, 150, 105, 0.25) 0%, rgba(11, 59, 36, 0.85) 75%, rgba(6, 36, 22, 0.98) 100%);
    }
    .card-hover-effect {
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -8px rgba(11, 59, 36, 0.12);
    }
    .data-ticker {
      font-family: 'Roboto Mono', 'DIN Alternate', monospace;
    }