/* roulang page: index */
:root {
      --primary: #0F2942;
      --accent: #D97706;
      --bg-slate: #F8FAFC;
      --text-main: #0F172A;
      --text-body: #334155;
      --border-color: #E2E8F0;
    }
    body {
      color: var(--text-body);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-scroll {
      scroll-behavior: smooth;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 41, 66, 0.94) 0%, rgba(11, 25, 44, 0.96) 100%), url('/assets/images/49041e840ed1391f.webp') center/cover no-repeat;
    }
    .dark-section-bg {
      background: radial-gradient(circle at 50% 30%, #153250 0%, #0B192C 100%);
    }
    .faq-panel {
      transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    }