/* roulang page: index */
:root {
            --primary: #0F2B48;
            --accent: #10B981;
            --accent-glow: rgba(16, 185, 129, 0.18);
            --bg-surface: #F8FAFC;
        }
        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; }
        .hero-gradient {
            background: linear-gradient(135deg, #0F2B48 0%, #17365D 50%, #064E3B 100%);
        }
        .cta-gradient {
            background: linear-gradient(135deg, #0F2B48 0%, #1E3A8A 55%, #065F46 100%);
        }
        .card-custom {
            border-radius: 22px;
            border: 1px solid rgba(226, 232, 240, 0.85);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(16, 185, 129, 0.12), 0 8px 10px -6px rgba(16, 185, 129, 0.08);
            border-color: rgba(16, 185, 129, 0.4);
        }
        .badge-pill {
            border-radius: 9999px;
        }