/* roulang page: index */
:root {
      --bg-main: #0B0D10;
      --bg-card: #181D24;
      --accent: #00F2B6;
      --accent-glow: rgba(0, 242, 182, 0.15);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --text-main: #F4F6F8;
      --text-muted: #9BA3AF;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-muted);
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
      overflow-x: hidden;
      line-height: 1.6;
    }
    .accent-border-glow {
      position: relative;
    }
    .accent-border-glow:hover {
      box-shadow: 0 0 25px rgba(0, 242, 182, 0.12);
      border-color: rgba(0, 242, 182, 0.35);
      transform: translateY(-2px);
    }
    .btn-glow {
      transition: all 0.25s ease-in-out;
    }
    .btn-glow:hover {
      box-shadow: 0 0 20px rgba(0, 242, 182, 0.3);
      transform: translateY(-1px);
    }
    .tech-grid-pattern {
      background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .num-font {
      font-family: 'Inter', 'SFMono-Regular', Consolas, sans-serif;
      font-variant-numeric: tabular-nums;
    }