/* roulang page: index */
:root {
      --primary: #0EA5E9;
      --primary-hover: #0284C7;
      --secondary: #2563EB;
      --accent: #F97316;
      --dark: #0F172A;
      --card-bg: #FFFFFF;
      --soft-bg: #F8FAFC;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #1E293B;
      background-color: #F8FAFC;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.88) 100%), url('/assets/images/6168ed86b9252c75.jpg') center/cover no-repeat;
    }
    .custom-shadow {
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
    }
    .badge-glow {
      box-shadow: 0 0 15px rgba(14, 165, 233, 0.35);
    }