/* roulang page: index */
:root {
      --primary: #0F172A;
      --accent: #FF5A1F;
      --secondary: #10B981;
      --bg-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: #334155;
      background-color: var(--bg-light);
      letter-spacing: -0.01em;
    }
    .custom-title-glow {
      text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
    }