/* roulang page: index */
:root {
      --brand-primary: #0F5132;
      --brand-glow: #198754;
      --brand-amber: #D97706;
      --text-dark: #0F172A;
      --text-slate: #334155;
      --bg-soft: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-dark);
      background-color: var(--bg-soft);
      overflow-x: hidden;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(11, 19, 43, 0.94) 0%, rgba(15, 81, 50, 0.88) 100%), url('/assets/images/254d2647df9b8ea3.png') center/cover no-repeat;
    }
    .dark-showcase-bg {
      background: radial-gradient(circle at 80% 20%, rgba(25, 135, 84, 0.15) 0%, transparent 50%), #0B132B;
    }