/* roulang page: index */
:root {
      --primary: #0284c7;
      --secondary: #2563eb;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-line: rgba(226, 232, 240, 0.8);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    .custom-scroll::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 3px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(2, 132, 199, 0.18) 0%, rgba(11, 15, 25, 0) 70%);
    }
    .terminal-body {
      background: #090d16;
      border: 1px solid rgba(2, 132, 199, 0.25);
      box-shadow: 0 20px 40px -15px rgba(2, 132, 199, 0.15);
    }
    .coupon-ticket {
      position: relative;
      background: radial-gradient(circle at 0 50%, transparent 12px, #ffffff 13px) top left,
                  radial-gradient(circle at 100% 50%, transparent 12px, #ffffff 13px) top right;
      background-size: 51% 100%;
      background-repeat: no-repeat;
    }