/* roulang page: index */
:root {
      --primary: #0F141C;
      --accent: #00F298;
      --secondary: #6366F1;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      background-color: #FFFFFF;
      color: var(--text-main);
      font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Noto Sans SC', sans-serif;
      overflow-x: hidden;
    }
    .grid-pattern {
      background-size: 32px 32px;
      background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    }
    .light-grid-pattern {
      background-size: 32px 32px;
      background-image: 
        linear-gradient(to right, rgba(15, 23, 42, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
    }
    .scan-line {
      background: linear-gradient(180deg, rgba(0,242,152,0) 0%, rgba(0,242,152,0.12) 50%, rgba(0,242,152,0) 100%);
    }