/* roulang page: index */
:root {
      --primary: #0F4C5C;
      --primary-hover: #0a3540;
      --accent: #FB8B24;
      --accent-hover: #e07612;
      --bg-light: #F8FAFC;
      --text-dark: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --dark-card: #0A192F;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.75;
      overflow-x: hidden;
    }
    .badge-pop {
      animation: pulsePop 2s infinite ease-in-out;
    }
    @keyframes pulsePop {
      0%, 100% { transform: scale(1) rotate(-6deg); }
      50% { transform: scale(1.06) rotate(-3deg); }
    }
    .accordion-content {
      transition: max-height 0.3s ease, opacity 0.3s ease;
    }
    .hero-glow {
      background: radial-gradient(circle at 75% 25%, rgba(251, 139, 36, 0.15), transparent 50%), radial-gradient(circle at 20% 80%, rgba(15, 76, 92, 0.35), transparent 60%);
    }