/* roulang page: index */
:root {
      --brand: #00F59B;
      --bg-main: #0C0E14;
      --bg-alt: #151821;
      --border-dim: #232838;
    }
    body {
      background-color: #0C0E14;
      color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      text-align: justify;
      line-height: 1.7;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid var(--border-dim);
      transition: all 0.25s ease-in-out;
    }
    .neon-border:hover {
      border-color: #00F59B;
      box-shadow: 0 10px 30px -10px rgba(0, 245, 155, 0.2);
      transform: translateY(-3px);
    }
    .text-glow {
      text-shadow: 0 0 12px rgba(0, 245, 155, 0.4);
    }
    .coupon-edge {
      background-image: radial-gradient(circle at 0 50%, transparent 10px, rgba(21, 24, 33, 0.95) 11px);
    }