/* roulang page: index */
:root {
      --primary: #0A58CA;
      --accent: #FF5A1F;
      --bg-dark: #0F141C;
      --surface-light: #F8FAFC;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06);
    }
    .hover-lift {
      transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .hover-lift:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 36px -4px rgba(15, 23, 42, 0.12);
    }
    .gradient-badge {
      background: linear-gradient(135deg, rgba(10, 88, 202, 0.08) 0%, rgba(0, 213, 155, 0.12) 100%);
    }