/* roulang page: index */
:root {
      --brand-primary: #0F52BA;
      --brand-accent: #FF5500;
      --brand-dark: #0F172A;
      --brand-light: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }
    body {
      background-color: var(--brand-light);
      color: #1e293b;
      overflow-x: hidden;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 82, 186, 0.85) 100%), url('/assets/images/c398d3dbaff425ea.webp') center/cover no-repeat;
    }
    .custom-badge {
      background: rgba(255, 85, 0, 0.12);
      color: #FF5500;
      border: 1px solid rgba(255, 85, 0, 0.25);
    }
    .custom-badge-blue {
      background: rgba(15, 82, 186, 0.1);
      color: #0F52BA;
      border: 1px solid rgba(15, 82, 186, 0.2);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 30px -8px rgba(15, 82, 186, 0.12);
    }
    .glass-panel {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.6);
    }