/* roulang page: index */
:root {
      --primary: #0F2C59;
      --accent: #007A78;
      --accent-warm: #D97706;
      --surface-light: #F8FAFC;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 44, 89, 0.08);
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(15, 44, 89, 0.95) 0%, rgba(10, 25, 47, 0.88) 100%);
    }