/* roulang page: index */
:root {
      --color-brand-orange: #FF5500;
      --color-brand-teal: #00D2A0;
      --color-brand-dark: #0B0F17;
      --color-brand-charcoal: #1E293B;
      --color-brand-canvas: #F8FAFC;
    }
    body {
      background-color: var(--color-brand-canvas);
      color: var(--color-brand-charcoal);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    .hero-glow-bg {
      background-image: radial-gradient(circle at 75% 25%, rgba(255, 85, 0, 0.12) 0%, transparent 60%),
                        radial-gradient(circle at 15% 85%, rgba(0, 210, 160, 0.08) 0%, transparent 50%);
    }
    .custom-scroll-bar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll-bar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    .custom-scroll-bar::-webkit-scrollbar-thumb:hover {
      background: #94A3B8;
    }
    .gradient-border-card {
      position: relative;
      background: #FFFFFF;
      transition: all 0.25s ease-out;
    }
    .gradient-border-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -12px rgba(15, 23, 42, 0.12);
    }
    details summary::-webkit-details-marker {
      display: none;
    }