/* roulang page: index */
:root {
      --primary-deep: #0F3E38;
      --primary-accent: #10B981;
      --bg-dark: #0B1F1C;
      --bg-light: #F9FAFB;
      --text-main: #111827;
      --text-muted: #4B5563;
      --border-soft: rgba(16, 185, 129, 0.15);
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: Inter, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
    }
    .hero-code-bg {
      background: #0d1e1c;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 20px 40px rgba(0, 0, 0, 0.3);
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #10B981;
      border-radius: 4px;
    }
    .card-hover-fx {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 62, 56, 0.12);
      border-color: #10B981;
    }